Canon printer PIXMA MG7720 User Manual
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Scanning Problems Scanner Does Not Work ScanGear (Scanner Driver) Does Not Start Error Message Appears and the ScanGear (Scanner Driver) Screen Does Not Appear Cannot Scan Multiple Originals at One Time Cannot Scan Properly with Auto Scan Slow Scanning Speed "There is not enough memory." Message Is Displayed Computer Stops Operating during Scanning Scanner Does Not Work after Upgrading Windows Scanned Image Does Not Open 971
Scanner Does Not Work Check 1 Make sure that your scanner or printer is turned on. Check 2 Connect the USB cable to a different USB port on the computer. Check 3 If the USB cable is connected to a USB hub, remove it from the USB hub and connect it to a USB port on the computer. Check 4 Restart the computer. 972
ScanGear (Scanner Driver) Does Not Start Check 1 Make sure that MP Drivers is installed. If not installed, install MP Drivers from the Setup CD-ROM or the web page. Check 2 Select your scanner or printer on the application's menu. Important
Error Message Appears and the ScanGear (Scanner Driver) ScreenDoes Not Appear Check 1 Make sure that your scanner or printer is turned on. Check 2 Turn off your scanner or printer, then reconnect the USB cable and replug the power cord. Check 3 Connect the USB cable to a different USB port on the computer. Check 4 If the USB cable is connected to a USB hub, remove it from the USB hub and connect it to a USB port on the computer. Check 5 Make sure that MP Drivers is installed. If not installed, install MP Drivers from the Setup CD-ROM or the web page. Check 6 Select your scanner or printer on the application's menu. Note
Cannot Scan Multiple Originals at One Time Check 1 Make sure that the items are placed correctly. Positioning Originals (Scanning from Computer) Check 2 Check if you can properly scan one item. Some applications do not support multiple image scanning. In that case, scan each item individually. 975
Cannot Scan Properly with Auto Scan Check 1 Make sure that the items are placed correctly. Positioning Originals (Scanning from Computer) Check 2 Multiple item scanning may not be supported. Some applications do not support multiple image scanning. In that case, scan each item individually. 976
Slow Scanning Speed Check 1 To view the image on a monitor, set the output resolution to around 150 dpi. To print, set it to around 300 dpi. Resolution Check 2 Set Fading Correction , Grain Correction , etc. to None. Refer to "Image Settings" for your model from Home of the 2QOLQH0DQXDO for details. Check 3 In IJ Scan Utility, deselect the Correct slanted text document / Detect the orientation of text document and rotate image checkbox and scan again. Settings (Document Scan) Dialog Box Settings (Custom Scan) Dialog Box 977
"There is not enough memory." Message Is Displayed Check 1 Exit other applications and try again. Check 2 Reduce the resolution or output size and scan again. Resolution 978
Computer Stops Operating during Scanning Check 1 Restart the computer, reduce the output resolution in ScanGear (scanner driver) and scan again. Refer to "Output Settings" for your model from Home of the 2QOLQH0DQXDO for details. Check 2 Delete unnecessary files to obtain sufficient free hard disk space, then scan again. Error message may appear if there is not enough hard disk space to scan and save, when the image size is too large (such as when scanning a large item at high resolution). Check 3 In Folder to Save Temporary Files of IJ Scan Utility, specify a folder on a drive with sufficient free space. Settings (General Settings) Dialog Box Check 4 Multiple devices may be connected to USB ports. Disconnect devices other than your scanner or printer. 979
Scanner Does Not Work after Upgrading Windows Check Disconnect the USB cable, then uninstall (delete) and reinstall MP Drivers and IJ Scan Utility. Step 1: Uninstall MP Drivers. Refer to "Deleting the Unnecessary MP Drivers" for your model from Home of the 2QOLQH0DQXDO for how to delete MP Drivers. Step 2: Uninstall IJ Scan Utility.